/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
define(["require", "exports"], function (require, exports) {
    'use strict';
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.conf = {
        comments: {
            lineComment: '//',
            blockComment: ['(*', '*)'],
        },
        brackets: [
            ['{', '}'],
            ['[', ']'],
            ['(', ')'],
            ['var', 'end_var'],
            ['var_input', 'end_var'],
            ['var_output', 'end_var'],
            ['var_in_out', 'end_var'],
            ['var_temp', 'end_var'],
            ['var_global', 'end_var'],
            ['var_access', 'end_var'],
            ['var_external', 'end_var'],
            ['type', 'end_type'],
            ['struct', 'end_struct'],
            ['program', 'end_program'],
            ['function', 'end_function'],
            ['function_block', 'end_function_block'],
            ['action', 'end_action'],
            ['step', 'end_step'],
            ['initial_step', 'end_step'],
            ['transaction', 'end_transaction'],
            ['configuration', 'end_configuration'],
            ['tcp', 'end_tcp'],
            ['recource', 'end_recource'],
            ['channel', 'end_channel'],
            ['library', 'end_library'],
            ['folder', 'end_folder'],
            ['binaries', 'end_binaries'],
            ['includes', 'end_includes'],
            ['sources', 'end_sources']
        ],
        autoClosingPairs: [
            { open: '[', close: ']' },
            { open: '{', close: '}' },
            { open: '(', close: ')' },
            { open: '/*', close: '*/' },
            { open: '\'', close: '\'', notIn: ['string_sq'] },
            { open: '"', close: '"', notIn: ['string_dq'] },
            { open: 'var_input', close: 'end_var' },
            { open: 'var_output', close: 'end_var' },
            { open: 'var_in_out', close: 'end_var' },
            { open: 'var_temp', close: 'end_var' },
            { open: 'var_global', close: 'end_var' },
            { open: 'var_access', close: 'end_var' },
            { open: 'var_external', close: 'end_var' },
            { open: 'type', close: 'end_type' },
            { open: 'struct', close: 'end_struct' },
            { open: 'program', close: 'end_program' },
            { open: 'function', close: 'end_function' },
            { open: 'function_block', close: 'end_function_block' },
            { open: 'action', close: 'end_action' },
            { open: 'step', close: 'end_step' },
            { open: 'initial_step', close: 'end_step' },
            { open: 'transaction', close: 'end_transaction' },
            { open: 'configuration', close: 'end_configuration' },
            { open: 'tcp', close: 'end_tcp' },
            { open: 'recource', close: 'end_recource' },
            { open: 'channel', close: 'end_channel' },
            { open: 'library', close: 'end_library' },
            { open: 'folder', close: 'end_folder' },
            { open: 'binaries', close: 'end_binaries' },
            { open: 'includes', close: 'end_includes' },
            { open: 'sources', close: 'end_sources' }
        ],
        surroundingPairs: [
            { open: '{', close: '}' },
            { open: '[', close: ']' },
            { open: '(', close: ')' },
            { open: '"', close: '"' },
            { open: '\'', close: '\'' },
            { open: 'var', close: 'end_var' },
            { open: 'var_input', close: 'end_var' },
            { open: 'var_output', close: 'end_var' },
            { open: 'var_in_out', close: 'end_var' },
            { open: 'var_temp', close: 'end_var' },
            { open: 'var_global', close: 'end_var' },
            { open: 'var_access', close: 'end_var' },
            { open: 'var_external', close: 'end_var' },
            { open: 'type', close: 'end_type' },
            { open: 'struct', close: 'end_struct' },
            { open: 'program', close: 'end_program' },
            { open: 'function', close: 'end_function' },
            { open: 'function_block', close: 'end_function_block' },
            { open: 'action', close: 'end_action' },
            { open: 'step', close: 'end_step' },
            { open: 'initial_step', close: 'end_step' },
            { open: 'transaction', close: 'end_transaction' },
            { open: 'configuration', close: 'end_configuration' },
            { open: 'tcp', close: 'end_tcp' },
            { open: 'recource', close: 'end_recource' },
            { open: 'channel', close: 'end_channel' },
            { open: 'library', close: 'end_library' },
            { open: 'folder', close: 'end_folder' },
            { open: 'binaries', close: 'end_binaries' },
            { open: 'includes', close: 'end_includes' },
            { open: 'sources', close: 'end_sources' }
        ],
        folding: {
            markers: {
                start: new RegExp("^\\s*#pragma\\s+region\\b"),
                end: new RegExp("^\\s*#pragma\\s+endregion\\b")
            }
        }
    };
    exports.language = {
        defaultToken: '',
        tokenPostfix: '.st',
        ignoreCase: true,
        brackets: [
            { token: 'delimiter.curly', open: '{', close: '}' },
            { token: 'delimiter.parenthesis', open: '(', close: ')' },
            { token: 'delimiter.square', open: '[', close: ']' }
        ],
        keywords: ['if', 'end_if', 'elsif', 'else', 'case', 'of', 'to', '__try', '__catch', '__finally',
            'do', 'with', 'by', 'while', 'repeat', 'end_while', 'end_repeat', 'end_case',
            'for', 'end_for', 'task', 'retain', 'non_retain', 'constant', 'with', 'at',
            'exit', 'return', 'interval', 'priority', 'address', 'port', 'on_channel',
            'then', 'iec', 'file', 'uses', 'version', 'packagetype', 'displayname',
            'copyright', 'summary', 'vendor', 'common_source', 'from', 'extends'],
        constant: ['false', 'true', 'null'],
        defineKeywords: [
            'var', 'var_input', 'var_output', 'var_in_out', 'var_temp', 'var_global',
            'var_access', 'var_external', 'end_var',
            'type', 'end_type', 'struct', 'end_struct', 'program', 'end_program',
            'function', 'end_function', 'function_block', 'end_function_block',
            'interface', 'end_interface', 'method', 'end_method',
            'property', 'end_property', 'namespace', 'end_namespace',
            'configuration', 'end_configuration', 'tcp', 'end_tcp', 'resource',
            'end_resource', 'channel', 'end_channel', 'library', 'end_library',
            'folder', 'end_folder', 'binaries', 'end_binaries', 'includes',
            'end_includes', 'sources', 'end_sources',
            'action', 'end_action', 'step', 'initial_step', 'end_step', 'transaction', 'end_transaction'
        ],
        typeKeywords: ['int', 'sint', 'dint', 'lint', 'usint', 'uint', 'udint', 'ulint',
            'real', 'lreal', 'time', 'date', 'time_of_day', 'date_and_time', 'string',
            'bool', 'byte', 'word', 'dword', 'array', 'pointer', 'lword'],
        operators: ['=', '>', '<', ':', ':=', '<=', '>=', '<>', '&', '+', '-', '*', '**',
            'MOD', '^', 'or', 'and', 'not', 'xor', 'abs', 'acos', 'asin', 'atan', 'cos',
            'exp', 'expt', 'ln', 'log', 'sin', 'sqrt', 'tan', 'sel', 'max', 'min', 'limit',
            'mux', 'shl', 'shr', 'rol', 'ror', 'indexof', 'sizeof', 'adr', 'adrinst',
            'bitadr', 'is_valid', 'ref', 'ref_to'],
        builtinVariables: [],
        builtinFunctions: ['sr', 'rs', 'tp', 'ton', 'tof', 'eq', 'ge', 'le', 'lt',
            'ne', 'round', 'trunc', 'ctd', 'сtu', 'ctud', 'r_trig', 'f_trig',
            'move', 'concat', 'delete', 'find', 'insert', 'left', 'len', 'replace',
            'right', 'rtc'],
        // we include these common regular expressions
        symbols: /[=><!~?:&|+\-*\/\^%]+/,
        // C# style strings
        escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
        // The main tokenizer for our languages
        tokenizer: {
            root: [
                [/(\.\.)/, 'delimiter'],
                [/\b(16#[0-9A-Fa-f\_]*)+\b/, 'number.hex'],
                [/\b(2#[01\_]+)+\b/, 'number.binary'],
                [/\b(8#[0-9\_]*)+\b/, 'number.octal'],
                [/\b\d*\.\d+([eE][\-+]?\d+)?\b/, 'number.float'],
                [/\b(L?REAL)#[0-9\_\.e]+\b/, 'number.float'],
                [/\b(BYTE|(?:D|L)?WORD|U?(?:S|D|L)?INT)#[0-9\_]+\b/, 'number'],
                [/\d+/, 'number'],
                [/\b(T|DT|TOD)#[0-9:-_shmyd]+\b/, 'tag'],
                [/\%(I|Q|M)(X|B|W|D|L)[0-9\.]+/, 'tag'],
                [/\%(I|Q|M)[0-9\.]*/, 'tag'],
                [/\b[A-Za-z]{1,6}#[0-9]+\b/, 'tag'],
                [/\b(TO_|CTU_|CTD_|CTUD_|MUX_|SEL_)[A_Za-z]+\b/, 'predefined'],
                [/\b[A_Za-z]+(_TO_)[A_Za-z]+\b/, 'predefined'],
                [/[;]/, 'delimiter'],
                [/[.]/, { token: 'delimiter', next: '@params' }],
                // identifiers and keywords
                [/[a-zA-Z_]\w*/, {
                        cases: {
                            '@operators': 'operators',
                            '@keywords': 'keyword',
                            '@typeKeywords': 'type',
                            '@defineKeywords': 'variable',
                            '@constant': 'constant',
                            '@builtinVariables': 'predefined',
                            '@builtinFunctions': 'predefined',
                            '@default': 'identifier'
                        }
                    }],
                { include: '@whitespace' },
                [/[{}()\[\]]/, '@brackets'],
                [/"([^"\\]|\\.)*$/, 'string.invalid'],
                [/"/, { token: 'string.quote', bracket: '@open', next: '@string_dq' }],
                [/'/, { token: 'string.quote', bracket: '@open', next: '@string_sq' }],
                [/'[^\\']'/, 'string'],
                [/(')(@escapes)(')/, ['string', 'string.escape', 'string']],
                [/'/, 'string.invalid']
            ],
            params: [
                [/\b[A-Za-z0-9_]+\b(?=\()/, { token: 'identifier', next: '@pop' }],
                [/\b[A-Za-z0-9_]+\b/, 'variable.name', '@pop']
            ],
            comment: [
                [/[^\/*]+/, 'comment'],
                [/\/\*/, 'comment', '@push'],
                ["\\*/", 'comment', '@pop'],
                [/[\/*]/, 'comment']
            ],
            comment2: [
                [/[^\(*]+/, 'comment'],
                [/\(\*/, 'comment', '@push'],
                ["\\*\\)", 'comment', '@pop'],
                [/[\(*]/, 'comment']
            ],
            whitespace: [
                [/[ \t\r\n]+/, 'white'],
                [/\/\/.*$/, 'comment'],
                [/\/\*/, 'comment', '@comment'],
                [/\(\*/, 'comment', '@comment2'],
            ],
            string_dq: [
                [/[^\\"]+/, 'string'],
                [/@escapes/, 'string.escape'],
                [/\\./, 'string.escape.invalid'],
                [/"/, { token: 'string.quote', bracket: '@close', next: '@pop' }]
            ],
            string_sq: [
                [/[^\\']+/, 'string'],
                [/@escapes/, 'string.escape'],
                [/\\./, 'string.escape.invalid'],
                [/'/, { token: 'string.quote', bracket: '@close', next: '@pop' }]
            ]
        }
    };
});
